Examples with SimpleSaslClientCallbackHandler org.apache.storm.security.auth.sasl.SimpleSaslClientCallbackHandler used on opensource projects

Example 1 with SimpleSaslClientCallbackHandler

use of org.apache.storm.security.auth.sasl.SimpleSaslClientCallbackHandler in project storm by apache.

the class DigestSaslTransportPlugin method connect.

@Override
public TTransport connect(TTransport transport, String serverHost, String asUser) throws TTransportException, IOException {
    CallbackHandler clientCallbackHandler;
    WorkerToken token = WorkerTokenClientCallbackHandler.findWorkerTokenInSubject(type);
    if (token != null) {
        clientCallbackHandler = new WorkerTokenClientCallbackHandler(token);
    } else {
        Configuration loginConf = ClientAuthUtils.getConfiguration(conf);
        if (loginConf == null) {
            throw new IOException("Could not find any way to authenticate with the server.");
        }
        AppConfigurationEntry[] configurationEntries = loginConf.getAppConfigurationEntry(ClientAuthUtils.LOGIN_CONTEXT_CLIENT);
        if (configurationEntries == null) {
            String errorMessage = "Could not find a '" + ClientAuthUtils.LOGIN_CONTEXT_CLIENT + "' entry in this configuration: Client cannot start.";
            throw new IOException(errorMessage);
        }
        String username = "";
        String password = "";
        for (AppConfigurationEntry entry : configurationEntries) {
            Map options = entry.getOptions();
            username = (String) options.getOrDefault("username", username);
            password = (String) options.getOrDefault("password", password);
        }
        clientCallbackHandler = new SimpleSaslClientCallbackHandler(username, password);
    }
    TSaslClientTransport wrapperTransport = new TSaslClientTransport(DIGEST, null, ClientAuthUtils.SERVICE, serverHost, null, clientCallbackHandler, transport);
    wrapperTransport.open();
    LOG.debug("SASL DIGEST-MD5 client transport has been established");
    return wrapperTransport;
}